downlift

plural downlifts

1. geographyA lowering of the ground caused by geological forces.

   The structure's magma chamber remains active as there apparently are solfataras, hot springs, gas emissions and frequent episodes of large-scale up- and downlift ground deformation (Bradyseism) do occur.

   2024 November 2, Wikipedia contributors, “Campanian Ignimbrite eruption”, in English Wikipedia, Wikimedia Foundation

   1 more example

   This is explained as an uplift in the coast at a rate of 16.2 mm/y in the period before 1900, a downlift of 2.8 mm/y in the period 1900-1906 and a rapid «sinking» of the coast at 22.7 mm/y in the 24 months before the earthquake.

   1982, Earthquakes: Observation, Theory and Interpretation (Proceeding of the International School of Physics "Enrico Fermi"; course 85), North-Holland Publishing Company, page 517